Separating the solvent from a solution – simple distillation
Separation method used to separate a solvent from a solution. is a method for separating the solvent from a solution. For example, water can be separated from salt solution by simple distillation. This method works because water has a much lower boiling point than salt. When the solution is heated, the water evaporates. It is then cooled and condensed into a separate container. The salt does not evaporate and so it stays behind.
Image caption, Salt solution is heated.
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Every pure substance has its own particular melting point and The temperature at which a substance rapidly changes from a liquid to a gas.. One way to check the purity of the separated liquid is to measure its boiling point. For example, pure water boils at 100°C. If it contains any dissolved solids, its boiling point will be higher than this.
